2143211343 has 96 divisors (see below), whose sum is σ = 3828867840. Its totient is φ = 1053803520.

The previous prime is 2143211341. The next prime is 2143211351. The reversal of 2143211343 is 3431123412.

It is a happy number.

It is not a de Polignac number, because 2143211343 - 2¹ = 2143211341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143211341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2432263 + ... + 2433143.

It is an arithmetic number, because the mean of its divisors is an integer number (39884040).

Almost surely, 2^2143211343 is an apocalyptic number.

2143211343 is a deficient number, since it is larger than the sum of its proper divisors (1685656497).

2143211343 is a wasteful number, since it uses less digits than its factorization.

2143211343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 990 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 2143211343 is about 46294.8306293478. The cubic root of 2143211343 is about 1289.3030193222.

Adding to 2143211343 its reverse (3431123412), we get a palindrome (5574334755).

The spelling of 2143211343 in words is "two billion, one hundred forty-three million, two hundred eleven thousand, three hundred forty-three".